RU2006117100A - Способ кодирования движущегося изображения - Google Patents

Способ кодирования движущегося изображения Download PDF

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RU2006117100A
RU2006117100A RU2006117100/09A RU2006117100A RU2006117100A RU 2006117100 A RU2006117100 A RU 2006117100A RU 2006117100/09 A RU2006117100/09 A RU 2006117100/09A RU 2006117100 A RU2006117100 A RU 2006117100A RU 2006117100 A RU2006117100 A RU 2006117100A
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reference frame
frame
motion vector
time
prediction mode
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RU2006117100/09A
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RU2335861C2 (ru
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Байеонг-Мун ДЖЕОН (KR)
Байеонг-Мун Джеон
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Эл Джи Электроникс Инк. (Kr)
Эл Джи Электроникс Инк.
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Claims (10)

1. Способ предсказания Р-кадра в режиме межкадрового предсказания, заключающийся в том, что
(a) считывают опорный кадр, предварительно декодированный в режиме межкадрового предсказания и
(b) предсказывают Р-кадр, применяя компенсацию движения по отношению к опорному кадру,
при этом опорный кадр включает, по меньшей мере, удаленный по времени опорный кадр.
2. Способ по п.1, в котором опорный кадр включает близкий по времени опорный кадр.
3. Способ по п.1, в котором, если в Р-кадре происходит полная или частичная смена сцены, то его кодируют с обращением к удаленному по времени опорному кадру.
4. Способ по п.1, в котором, если Р-кадр, в котором происходит смена сцены, является кадром с частичной сменой сцены, блоки, принадлежащие участку, где не происходит изменение сцены, кодируют с использованием близкого по времени опорного кадра.
5. Способ по п.1, в котором, если происходит смена сцены, блоки, принадлежащие участку, где происходит смена сцены, кодируют с использованием удаленных по времени опорных кадров.
6. Способ определения вектора движения в режиме прямого предсказания, заключающийся в том, что
(a) считывают смещенный блок в заданном кадре, при этом смещенный блок обусловливает вектор движения, который указывает на опорный кадр, и
(b) определяют по меньшей мере один вектор движения в режиме прямого предсказания на основании типа опорного кадра,
при этом тип опорного кадра включает удаленный по времени опорный кадр.
7. Способ по п.6, в котором, по меньшей мере, один вектор движения приравнивают к вектору движения смещенного блока, если типом опорного кадра является удаленный по времени опорный кадр.
8. Способ по п.6, в котором, по меньшей мере, один вектор движения приравнивают к нулю, если типом опорного кадра является удаленный по времени опорный кадр.
9. Способ по п.7 или 8, в котором, по меньшей мере, один вектор движения является, по меньшей мере, одним вектором движения в режиме прямого предсказания для В-кадра.
10. Способ по п.6, в котором, если типом опорного кадра является близкий по времени опорный кадр, по меньшей мере, один вектор движения в режиме прямого предсказания получают путем масштабирования вектора движения, обусловленного смещенным блоком.
RU2006117100A 2002-05-03 2006-05-18 Способ кодирования движущегося изображения RU2335861C2 (ru)

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KR20020024470 2002-05-03
KR10-2002-0024470 2002-05-03

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RU2335861C2 RU2335861C2 (ru) 2008-10-10

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RU2005127217A RU2282947C1 (ru) 2002-05-03 2003-01-09 Способ определения вектора движения текущего блока в режиме прямого предсказания
RU2005127218A RU2282948C1 (ru) 2002-05-03 2003-01-09 Способ определения векторов движения в режиме прямого предсказания
RU2003100074A RU2273113C2 (ru) 2002-05-03 2003-01-09 Способ кодирования движущегося изображения
RU2004133542A RU2289216C2 (ru) 2002-05-03 2004-11-17 Способ кодирования движущегося изображения
RU2006117100A RU2335861C2 (ru) 2002-05-03 2006-05-18 Способ кодирования движущегося изображения

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RU2005127217A RU2282947C1 (ru) 2002-05-03 2003-01-09 Способ определения вектора движения текущего блока в режиме прямого предсказания
RU2005127218A RU2282948C1 (ru) 2002-05-03 2003-01-09 Способ определения векторов движения в режиме прямого предсказания
RU2003100074A RU2273113C2 (ru) 2002-05-03 2003-01-09 Способ кодирования движущегося изображения
RU2004133542A RU2289216C2 (ru) 2002-05-03 2004-11-17 Способ кодирования движущегося изображения

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US (25) US8565305B2 (ru)
EP (11) EP2205000B1 (ru)
JP (6) JP3958690B2 (ru)
KR (4) KR100491530B1 (ru)
CN (5) CN1233173C (ru)
DE (6) DE10362222B4 (ru)
ES (10) ES2524579T3 (ru)
GB (6) GB2416455B (ru)
HK (4) HK1073557A1 (ru)
HU (4) HUE026599T2 (ru)
NL (3) NL1022331C2 (ru)
RU (5) RU2282947C1 (ru)
TW (1) TWI221076B (ru)

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US20160219300A1 (en) 2016-07-28
NL1028855A1 (nl) 2005-07-18
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US20150049810A1 (en) 2015-02-19
JP4495087B2 (ja) 2010-06-30
DE10362270B4 (de) 2012-04-26
US8565305B2 (en) 2013-10-22
RU2273113C2 (ru) 2006-03-27
EP2205000A2 (en) 2010-07-07
EP2202987B1 (en) 2012-03-21
EP1635577B1 (en) 2014-09-03
ES2384683T3 (es) 2012-07-10
EP2202987A2 (en) 2010-06-30
US20150049811A1 (en) 2015-02-19
US8842737B2 (en) 2014-09-23
GB2405549B (en) 2005-12-14
KR100494830B1 (ko) 2005-06-13
US8848796B2 (en) 2014-09-30
EP2205001A3 (en) 2011-01-26
US20080069223A1 (en) 2008-03-20
EP2785064A1 (en) 2014-10-01
CN100464587C (zh) 2009-02-25
US8982955B2 (en) 2015-03-17
HUE026599T2 (hu) 2016-06-28
HUE026503T2 (en) 2016-06-28
US8638857B2 (en) 2014-01-28
US20140072044A1 (en) 2014-03-13
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EP2202988B1 (en) 2014-08-20
NL1028855C (nl) 2010-04-08
RU2282947C1 (ru) 2006-08-27
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JP2006180534A (ja) 2006-07-06
US20160014427A1 (en) 2016-01-14
NL1022331C2 (nl) 2005-05-18
JP3958690B2 (ja) 2007-08-15
EP2205000B1 (en) 2012-04-04
GB2388267A (en) 2003-11-05
JP2008199653A (ja) 2008-08-28
US20050129115A1 (en) 2005-06-16
CN1767646A (zh) 2006-05-03
US20140198849A1 (en) 2014-07-17
DE10362263B4 (de) 2012-01-26
NL1028856C (nl) 2010-04-08
US8842736B2 (en) 2014-09-23
JP4865756B2 (ja) 2012-02-01
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GB2430325B (en) 2007-05-30
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US8630348B2 (en) 2014-01-14
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US20140072052A1 (en) 2014-03-13
ES2553468T3 (es) 2015-12-09
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US20140105300A1 (en) 2014-04-17
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US20140072042A1 (en) 2014-03-13
US9860556B2 (en) 2018-01-02
US20080089416A1 (en) 2008-04-17
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US9106891B2 (en) 2015-08-11
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DE10300529B4 (de) 2008-12-24
RU2289216C2 (ru) 2006-12-10
US8811489B2 (en) 2014-08-19
US20070014357A1 (en) 2007-01-18
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US9124890B2 (en) 2015-09-01
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US20050129117A1 (en) 2005-06-16
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GB0300285D0 (en) 2003-02-05
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US20080063066A1 (en) 2008-03-13
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US20150049808A1 (en) 2015-02-19
US8798156B2 (en) 2014-08-05
US9872039B2 (en) 2018-01-16
US8976866B2 (en) 2015-03-10
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US8848797B2 (en) 2014-09-30
US8634468B2 (en) 2014-01-21
GB0425252D0 (en) 2004-12-15
US20140105301A1 (en) 2014-04-17
EP2205000A3 (en) 2011-01-26
US8743960B2 (en) 2014-06-03
KR100506866B1 (ko) 2005-08-08
EP2806648A1 (en) 2014-11-26
GB2422263A (en) 2006-07-19
EP2202988A3 (en) 2011-01-26
CN1233173C (zh) 2005-12-21
EP2205001A2 (en) 2010-07-07
ES2553466T3 (es) 2015-12-09
GB2405549A (en) 2005-03-02
GB2416455A (en) 2006-01-25
ES2553467T3 (es) 2015-12-09
US9106890B2 (en) 2015-08-11
GB2405549A8 (en) 2005-09-07
EP2785064B1 (en) 2015-08-19
US9008183B2 (en) 2015-04-14
US20050129116A1 (en) 2005-06-16
US20030206589A1 (en) 2003-11-06
EP2950538A1 (en) 2015-12-02
US8582651B2 (en) 2013-11-12
DE10362222B4 (de) 2012-01-26
CN1665305A (zh) 2005-09-07
HUE025919T2 (en) 2016-05-30
RU2004133542A (ru) 2006-05-10
EP2950538B1 (en) 2020-10-14
ES2385192T3 (es) 2012-07-19
US20140177719A1 (en) 2014-06-26
EP2202988A2 (en) 2010-06-30
KR20050039803A (ko) 2005-04-29
RU2335861C2 (ru) 2008-10-10
US8630349B2 (en) 2014-01-14
DE10362272B4 (de) 2012-01-26
EP1359767A1 (en) 2003-11-05
NL1028856A1 (nl) 2005-07-18
CN1665304A (zh) 2005-09-07
US20140098876A1 (en) 2014-04-10
CN1767647A (zh) 2006-05-03
US20140072054A1 (en) 2014-03-13
GB2388267B (en) 2004-08-25
CN100375534C (zh) 2008-03-12
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CN100375535C (zh) 2008-03-12
JP2008199652A (ja) 2008-08-28

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